Abstract: A mechanical packing system for use for a device allows one or more packing rings to be installed one at a time and die formed in place. A reversible, detachable flange having a key offset from the center is inserted into a key slot of the hub of the mechanical packing system which is also offset during this installation process. When the device is operated, the flange is detached from the hub rotated 180° and the key of the flange is then inserted into the key slot of the hub. A spacer with integral lantern ring and internal bore surface which reduces or prevents marring or galling. A stuffing box of sufficient length to eliminate the need for a spacer or unneeded packing rings.

Abstract: A mechanical packing system for use for a device allows one or more packing rings to be installed one at a time and die formed in place. A reversible, detachable flange having a key offset from the center is inserted into a key slot of the hub of the mechanical packing system which is also offset during this installation process. When the device is operated, the flange is detached from the hub rotated 180° and the key of the flange is then inserted into the key slot of the hub. A spacer with integral lantern ring and internal bore surface which reduces or prevents marring or galling. A stuffing box of sufficient length to eliminate the need for a spacer or unneeded packing rings.

Abstract: A pivoting linkage mechanism provides a linear translational path for a tool holder over a predetermined displacement distance. A single linear motor drives the tool carrying end of the mechanism within a displacement plane defined by collective rotation of two sets of parallel, four-bar linkages joined by a transfer plate. A control link between a frame secured axis and an axis mid-span of a swinging linkage set further restricts pivotal displacement of the entire assembly. The translating tool holder supports a journal socket for the pivot axis of a third four-bar, parallel linkage for controllably swinging a secured article in a horizontal plane between opposite sides of the transfer apparatus.